Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/html/HTMLSelectElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLSelectElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLSelectElement.cpp b/third_party/WebKit/Source/core/html/HTMLSelectElement.cpp
index a2cca350f1509490173efa3c80d9cf4fb101e60e..61af9561736e44404833ba96970536a157661639 100644
--- a/third_party/WebKit/Source/core/html/HTMLSelectElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLSelectElement.cpp
@@ -427,7 +427,7 @@ void HTMLSelectElement::optionElementChildrenChanged(const HTMLOptionElement& op
 {
     setNeedsValidityCheck();
 
-    if (layoutObject()) {
+    if (hasLayoutObject()) {
         if (option.selected() && usesMenuList())
             layoutObject()->updateFromElement();
         if (AXObjectCache* cache = layoutObject()->document().existingAXObjectCache())
@@ -833,7 +833,7 @@ void HTMLSelectElement::setRecalcListItems(HTMLElement& subject)
         invalidateSelectedItems();
     }
 
-    if (layoutObject()) {
+    if (hasLayoutObject()) {
         if (AXObjectCache* cache = layoutObject()->document().existingAXObjectCache())
             cache->childrenChanged(this);
     }
@@ -1919,7 +1919,7 @@ String HTMLSelectElement::itemText(const Element& element) const
     else if (isHTMLOptionElement(element))
         itemString = toHTMLOptionElement(element).textIndentedToRespectGroupLabel();
 
-    if (layoutObject())
+    if (hasLayoutObject())
         applyTextTransform(layoutObject()->style(), itemString, ' ');
     return itemString;
 }
@@ -1977,7 +1977,7 @@ void HTMLSelectElement::popupDidHide()
 void HTMLSelectElement::setIndexToSelectOnCancel(int listIndex)
 {
     m_indexToSelectOnCancel = listIndex;
-    if (layoutObject())
+    if (hasLayoutObject())
         layoutObject()->updateFromElement();
 }